Application of variable-height beams with wooden sub-rafter elements in the roof structures of industrial buildingsIvan Shishov, Mikhail Lisyatnikov, Mikhail Lukin, Vladislav Deev, Evgeny Prusov, Danila Chibrikin and Svetlana RoshcinaE3S Web Conf., 460 (2023) 10046DOI: https://doi.org/10.1051/e3sconf/202346010046